Fix build error (#60)

Author: myroot

src/Compatibility/Core/src/Compatibility-net6.csproj

@@ -55,7 +55,7 @@
     <ProjectReference Include="..\..\Android.FormsViewGroup\src\Compatibility.Android.FormsViewGroup-net6.csproj" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'net6.0-tizen'" >
+  <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'tizen'" >
     <Compile Include="$(TizenRoot)**\*.cs"></Compile>
     <EmbeddedResource Include="$(TizenRoot)Resources\*.resx" />
     <EmbeddedResource Include="$(TizenRoot)Resources\*.png" />

src/Core/src/Animations/NativeTicker.Tizen.cs

@@ -19,7 +19,7 @@ public NativeTicker()
 			}
 
 			_context = SynchronizationContext.Current;
-			_timer = new Timer((object o) => HandleElapsed(o), this, Timeout.Infinite, Timeout.Infinite);
+			_timer = new Timer((object? o) => HandleElapsed(o), this, Timeout.Infinite, Timeout.Infinite);
 		}
 
 		public override void Start()
@@ -34,7 +34,7 @@ public override void Stop()
 			_isRunning = false;
 		}
 
-		void HandleElapsed(object state)
+		void HandleElapsed(object? state)
 		{
 			_context?.Post((o) => Fire?.Invoke(), null);
 		}

src/Core/src/Handlers/Entry/EntryHandler.Tizen.cs

@@ -187,7 +187,7 @@ void OnCursorChanged(object? sender, EventArgs e)
 			VirtualView.CursorPosition = position;
 		}
 
-		void OnSelectionCleared(object sender, EventArgs e)
+		void OnSelectionCleared(object? sender, EventArgs e)
 		{
 			if (VirtualView == null || NativeView == null)
 				return;

src/Core/src/Platform/Tizen/CoreUIAppContext.cs

@@ -177,7 +177,7 @@ void InitializeMainWindow()
 			MainWindow.BackButtonPressed += OnBackButtonPressed;
 		}
 
-		void OnBackButtonPressed(object sender, EventArgs e)
+		void OnBackButtonPressed(object? sender, EventArgs e)
 		{
 			if (!(_handleBackButtonPressed?.Invoke() ?? false))
 			{

src/Core/src/Platform/Tizen/ModalStack.cs

@@ -77,7 +77,7 @@ void UpdateTopView()
 			{
 				_lastTop?.Hide();
 				_lastTop = InternalStack.LastOrDefault();
-				_lastTop.Show();
+				_lastTop?.Show();
 				(_lastTop as Widget)?.SetFocus(true);
 			}
 		}

src/Core/src/Platform/Tizen/TransformationExtensions.cs

@@ -129,8 +129,9 @@ public static void Perspective3D(this EvasMap map, int px, int py, int z0, int f
 		{
 			var mapType = typeof(EvasMap);
 			var propInfo = mapType.GetProperty("Handle", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
-			var handle = (IntPtr)propInfo.GetValue(map);
-			evas_map_util_3d_perspective(handle, px, py, z0, foc);
+			IntPtr? handle = (IntPtr?)propInfo?.GetValue(map);
+			if (handle != null)
+				evas_map_util_3d_perspective(handle.Value, px, py, z0, foc);
 		}
 
 		[DllImport("libevas.so.1")]

src/Core/src/Platform/Tizen/WrapperView.cs

@@ -52,7 +52,7 @@ partial void ClipChanged()
 			_clipperView.Value.Invalidate();
 		}
 
-		void OnClipPaint(object sender, SKPaintSurfaceEventArgs e)
+		void OnClipPaint(object? sender, SKPaintSurfaceEventArgs e)
 		{
 			var canvas = e.Surface.Canvas;
 			canvas.Clear();
@@ -83,7 +83,7 @@ void OnClipPaint(object sender, SKPaintSurfaceEventArgs e)
 			}
 		}
 
-		void OnLayout(object sender, Tizen.UIExtensions.Common.LayoutEventArgs e)
+		void OnLayout(object? sender, Tizen.UIExtensions.Common.LayoutEventArgs e)
 		{
 			if (Content != null)
 			{

src/Essentials/src/Essentials-net6.csproj

@@ -53,8 +53,7 @@
     <Compile Include="**\*.watchos.cs" />
     <Compile Include="**\*.watchos.*.cs" />
   </ItemGroup> -->
-  <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'net6.0-tizen' ">
-    <PackageReference Include="Tizen.NET" Version="4.0.0" PrivateAssets="All" />
+  <ItemGroup Condition=" '$(TargetPlatformIdentifier)' == 'tizen'" >
     <Compile Include="**\*.tizen.cs" />
     <Compile Include="**\*.tizen.*.cs" />
   </ItemGroup>

src/Essentials/src/TextToSpeech/TextToSpeech.tizen.cs

@@ -20,14 +20,12 @@ internal static async Task PlatformSpeakAsync(string text, SpeechOptions options
 				await tcsUtterances.Task;
 
 			tcsUtterances = new TaskCompletionSource<bool>();
-			if (cancelToken != null)
+
+			cancelToken.Register(() =>
 			{
-				cancelToken.Register(() =>
-				{
-					tts?.Stop();
-					tcsUtterances?.TrySetResult(true);
-				});
-			}
+				tts?.Stop();
+				tcsUtterances?.TrySetResult(true);
+			});
 
 			var language = "en_US";
 			var voiceType = Voice.Auto;